Another thing for you to try if you are getting ERR TUNNEL CONNECTION FAILED error, just on Chrome is to Reset Chrome browser. Follow these steps to reset Google Chrome: Step 1 : Follow the Step1 and Step 2 as shown in Method #4 to open Chrome’s Advance

Fix 2: Flush the DNS Resolver Cache. You can also try flushing the DNS resolver cache to fix ERR_TUNNEL_CONNECTION_FAILED Chrome. This post - How to Flush DNS Resolver Cache in Windows 10/8.1/7 may be the one you need. Fix 3: Use a VPN Connection. Your co

Err Connection Failed Error in Chrome browser usually occurs on Windows computers using VPN or Proxy connections to connect to the Internet.